99719023 has 8 divisors (see below), whose sum is σ = 105105600. Its totient is φ = 94462368.

The previous prime is 99718987. The next prime is 99719051. The reversal of 99719023 is 32091799.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99719023 - 2¹⁷ = 99587951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99719063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30903 + ... + 33976.

It is an arithmetic number, because the mean of its divisors is an integer number (13138200).

Almost surely, 2^99719023 is an apocalyptic number.

99719023 is a deficient number, since it is larger than the sum of its proper divisors (5386577).

99719023 is a wasteful number, since it uses less digits than its factorization.

99719023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64961.

The product of its (nonzero) digits is 30618, while the sum is 40.

The square root of 99719023 is about 9985.9412676022. The cubic root of 99719023 is about 463.7237489954.

The spelling of 99719023 in words is "ninety-nine million, seven hundred nineteen thousand, twenty-three".